Which of the following would the technician MOST likely check to resolve the issue?

A technician is trying to connect the high-end 5.1 surround sound audio system to their Home Theater PC. Front and rear channels produce the sound but the subwoofer and the front speaker seem to be muted. Which of the following would the technician MOST likely check to resolve the issue?
A. The power cable of the 5.1 surround sound audio system.
B. The subwoofer and the front channel speaker drivers are installed properly.
C. The subwoofer and the front channel speakers are not defective.
D. The subwoofer and the front channel speaker’s RCA cable connection to the computer’s audio card.

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